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-rw-r--r--apps/speed.c61
-rw-r--r--doc/man1/openssl-speed.pod.in5
2 files changed, 55 insertions, 11 deletions
diff --git a/apps/speed.c b/apps/speed.c
index 9b9016b61c..3fb98c1601 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -49,6 +49,21 @@
#if defined(_WIN32)
# include <windows.h>
+/*
+ * While VirtualLock is available under the app partition (e.g. UWP),
+ * the headers do not define the API. Define it ourselves instead.
+ */
+WINBASEAPI
+BOOL
+WINAPI
+VirtualLock(
+ _In_ LPVOID lpAddress,
+ _In_ SIZE_T dwSize
+ );
+#endif
+
+# if defined(OPENSSL_SYS_UNIX)
+# include <sys/mman.h>
#endif
#include <openssl/bn.h>
@@ -111,6 +126,8 @@ static void print_result(int alg, int run_no, int count, double time_used);
static int do_multi(int multi, int size_num);
#endif
+static int domlock = 0;
+
static const int lengths_list[] = {
16, 64, 256, 1024, 8 * 1024, 16 * 1024
};
@@ -212,7 +229,7 @@ typedef enum OPTION_choice {
OPT_COMMON,
OPT_ELAPSED, OPT_EVP, OPT_HMAC, OPT_DECRYPT, OPT_ENGINE, OPT_MULTI,
OPT_MR, OPT_MB, OPT_MISALIGN, OPT_ASYNCJOBS, OPT_R_ENUM, OPT_PROV_ENUM, OPT_CONFIG,
- OPT_PRIMES, OPT_SECONDS, OPT_BYTES, OPT_AEAD, OPT_CMAC
+ OPT_PRIMES, OPT_SECONDS, OPT_BYTES, OPT_AEAD, OPT_CMAC, OPT_MLOCK
} OPTION_CHOICE;
const OPTIONS speed_options[] = {
@@ -238,6 +255,7 @@ const OPTIONS speed_options[] = {
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
{"primes", OPT_PRIMES, 'p', "Specify number of primes (for RSA only)"},
+ {"mlock", OPT_MLOCK, '-', "Lock memory for better result determinism"},
OPT_CONFIG_OPTION,
OPT_SECTION("Selection"),
@@ -1625,6 +1643,15 @@ int speed_main(int argc, char **argv)
case OPT_AEAD:
aead = 1;
break;
+ case OPT_MLOCK:
+ domlock = 1;
+#if !defined(_WIN32) && !defined(OPENSSL_SYS_LINUX)
+ BIO_printf(bio_err,
+ "%s: -mlock not supported on this platform\n",
+ prog);
+ goto end;
+#endif
+ break;
}
}
@@ -1778,6 +1805,14 @@ int speed_main(int argc, char **argv)
app_malloc(loopargs_len * sizeof(loopargs_t), "array of loopargs");
memset(loopargs, 0, loopargs_len * sizeof(loopargs_t));
+ buflen = lengths[size_num - 1];
+ if (buflen < 36) /* size of random vector in RSA benchmark */
+ buflen = 36;
+ if (INT_MAX - (MAX_MISALIGNMENT + 1) < buflen) {
+ BIO_printf(bio_err, "Error: buffer size too large\n");
+ goto end;
+ }
+ buflen += MAX_MISALIGNMENT + 1;
for (i = 0; i < loopargs_len; i++) {
if (async_jobs > 0) {
loopargs[i].wait_ctx = ASYNC_WAIT_CTX_new();
@@ -1787,18 +1822,8 @@ int speed_main(int argc, char **argv)
}
}
- buflen = lengths[size_num - 1];
- if (buflen < 36) /* size of random vector in RSA benchmark */
- buflen = 36;
- if (INT_MAX - (MAX_MISALIGNMENT + 1) < buflen) {
- BIO_printf(bio_err, "Error: buffer size too large\n");
- goto end;
- }
- buflen += MAX_MISALIGNMENT + 1;
loopargs[i].buf_malloc = app_malloc(buflen, "input buffer");
loopargs[i].buf2_malloc = app_malloc(buflen, "input buffer");
- memset(loopargs[i].buf_malloc, 0, buflen);
- memset(loopargs[i].buf2_malloc, 0, buflen);
/* Align the start of buffers on a 64 byte boundary */
loopargs[i].buf = loopargs[i].buf_malloc + misalign;
@@ -1818,6 +1843,20 @@ int speed_main(int argc, char **argv)
goto show_res;
#endif
+ for (i = 0; i < loopargs_len; ++i) {
+ if (domlock) {
+#if defined(_WIN32)
+ (void)VirtualLock(loopargs[i].buf_malloc, buflen);
+ (void)VirtualLock(loopargs[i].buf2_malloc, buflen);
+#elif defined(OPENSSL_SYS_LINUX)
+ (void)mlock(loopargs[i].buf_malloc, buflen);
+ (void)mlock(loopargs[i].buf_malloc, buflen);
+#endif
+ }
+ memset(loopargs[i].buf_malloc, 0, buflen);
+ memset(loopargs[i].buf2_malloc, 0, buflen);
+ }
+
/* Initialize the engine after the fork */
e = setup_engine(engine_id, 0);
diff --git a/doc/man1/openssl-speed.pod.in b/doc/man1/openssl-speed.pod.in
index 8fa78ead41..011a086eab 100644
--- a/doc/man1/openssl-speed.pod.in
+++ b/doc/man1/openssl-speed.pod.in
@@ -24,6 +24,7 @@ B<openssl speed>
[B<-seconds> I<num>]
[B<-bytes> I<num>]
[B<-mr>]
+[B<-mlock>]
{- $OpenSSL::safe::opt_r_synopsis -}
{- $OpenSSL::safe::opt_engine_synopsis -}{- $OpenSSL::safe::opt_provider_synopsis -}
[I<algorithm> ...]
@@ -115,6 +116,10 @@ int would be 2147483583 bytes.
Produce the summary in a mechanical, machine-readable, format.
+=item B<-mlock>
+
+Lock memory into RAM for more deterministic measurements.
+
{- $OpenSSL::safe::opt_r_item -}
{- $OpenSSL::safe::opt_engine_item -}